can some one explain to me how do you post a image on here
You tried to link an image that was on your computer, not the internet. You need to upload the image to somewhere like http://imgur.com/
and use that link instead.
As for your site, it looks like you took a website template and just ran with it. Nothing bad about this, except nothing's really consistent with the site. The next button on your image scroller thing at the top of your site is green, when it probably should be red, the grey text on black background makes it incredibly hard to read, and so on.
The lookbook shoot video looked like it was made by somebody with under a year of experience with iMovie, using stock effects. Nothing bad with stock effects, just use them properly. You didn't.